Improvement in shaft-couplings



S. M. GU'SS.

SHAFT-COUPLING.

Patented April ,4, 1876.

INVENT B 9 momma MPETERS, PHUYG-LITHOGRAPHER, WASHING UNITED STATESPATENT ()FFIGE.

SAMUEL MOSES GUSS, OF READING, PENNSYLVANIA.

IMPROVEMENT lN SHAFT-COUPLINGS.

S ecification forming part of Leitcrs Patent No. 175,695, dated April 4,1876; application filed February 5, 1876.

To all whom it may concern Be it known that I, SAMUEL M. GUss, ofReading, Berks count-y, Pennsylvania, have invented a new and ImprovedShaft-Coupling, of which the following is a specification:

This improved coupling comprises a solid hub, with a central hole forthe shaft, which is enlarged part of the circumference at each end, inwhich enlargement is fitted a bush, which is keyed firmly against theshaft, so as to press it very firmly against the part of the holeinwhich it is keyed, thus making a firm and substantial, and at the sametime symmetrical, coupling. The parts ofthe solid hub are all casttogether with the keyways, so that the coupling is made very cheaply.

Figure l is a longitudinal section of my improved coupling, taken online or no of Fig. 2. Fig. 2 is a transverse section on line y y, Fig.1; and Fig. 3 is a longitudinal section taken on line .2 2, Fig. 2.

Similar letters of reference indicate corresponding parts.

A is the hub, through the center of which is a hole, B, for the shafts(J, the hole being enlarged at each end D, and having a bush,

E, fitted in and keyed down on. the shaft by keys F, which firmly pressthe shaft against the side G of the hole, where it is secured againstrev-'olving in the coupling by the key H.

The bushes are preferably located. on opposite sides of the hub; butthey may be on the same side, if preferred.

Provision is made for extending the holes for the keys F entirelythrough the coupling, so that they can be readily driven out from theopposite end by a drift-pin to take off the couplings.

I am aware that the sleeve ends of two shafts have been heretoforecoupled by a spline, gib, cross-keys, and screws; also by an end lock,bush, and screws but What I claim is- A sleeve and two shaft endsconnected by longitudinal wedge-keys alone, the latter being drivendiametrically on opposite sides of the shaft ends between the bushingsand the sleeve, as and for the purpose specified.

SAMUEL MOSES GUSS.

Witnesses:

MATTHIAS MENGEL, WM. T. ZE'LL.

